General and multiplicative non-parametric models with interval ratio data: application to the banking industryEsmaeel Farzadi, Abdollah Hadi-Vencheh, Yong Tan and Zahra Gheleg BeigiRAIRO-Oper. Res., 57 5 (2023) 2315-2330DOI: https://doi.org/10.1051/ro/2023103
